Issues

• High Pressure Steam Miner not mining with steam connection (possible scanning coordinate chunk isue?)

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5580 · Filter by author KpCoding06 opened on Oct 24, 2026

• Terminal stuff

  GregTechCEu/GregTech-Modern#5578 · Filter by author jurrejelle opened on Oct 21, 2026

• [1.21] ME Input Bus/Hatch config slots don't update until the GUI is reopened (SyncHandler#syncToClient writer is invoked lazily at packet encode time)

  1.21type: bug
  GregTechCEu/GregTech-Modern#5567 · Filter by author tmageko opened on Oct 17, 2026

• Dynamite/Glyceryl Trinitrate produces more sulfuric acid then needed to make it

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5563 · Filter by author abculatter2 opened on Oct 15, 2026

• Heavy Fuel and Refinery Gas - Weirdness in their integration in Oil Line

  type: feature
  GregTechCEu/GregTech-Modern#5562 · Filter by author TomPlop opened on Oct 15, 2026

• Coil recycling doesn't return the fluid ingot used to make the coil

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5561 · Filter by author MatthiasMann opened on Oct 15, 2026

• Crash game

  1.21type: bug
  GregTechCEu/GregTech-Modern#5560 · Filter by author NextLife-Launch opened on Oct 15, 2026

• Second line of an item tooltip is merged into the first one in the Multiblock Preview

  1.21type: bug
  GregTechCEu/GregTech-Modern#5557 · Filter by author carbonatek opened on Oct 14, 2026
  1

• Purpur is not a GregTech material

  type: feature
  GregTechCEu/GregTech-Modern#5551 · Filter by author gtbot2007 opened on Oct 13, 2026

• Prismarine is not a GregTech material

  type: feature
  GregTechCEu/GregTech-Modern#5550 · Filter by author gtbot2007 opened on Oct 13, 2026
  1

• Breeze Rods are not a GregTech material

  1.21type: feature
  GregTechCEu/GregTech-Modern#5549 · Filter by author gtbot2007 opened on Oct 13, 2026

• Register material-specific turbine rotors as separate items

  type: feature
  GregTechCEu/GregTech-Modern#5545 · Filter by author StardustMINUS-01 opened on Oct 11, 2026
  1

• After #645694a the fluid tag needs to be adjust

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5533 · Filter by author MatthiasMann opened on Oct 9, 2026
  1

• Missing crafting station recipe

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5526 · Filter by author MostEmpire opened on Oct 8, 2026

• Recipe conflict between Hopper and Storage Cover

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5523 · Filter by author Xefyr0 opened on Oct 7, 2026

• Recipe conflict between Wood Signs and Wood Frame Box

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5522 · Filter by author Xefyr0 opened on Oct 7, 2026

• ConcurrentModificationException on more than one /reload

  1.21type: bug
  GregTechCEu/GregTech-Modern#5520 · Filter by author carbonatek opened on Oct 7, 2026
  3

• Ghost's future plans or ideas for GTCEu:Modern

  type: feature
  Feature

  GregTechCEu/GregTech-Modern#5515 · Filter by author Ghostipedia opened on Oct 7, 2026
  

• 1.21-8.0.0 SNAPSHOT e297c53 not compatible with JEI

  1.21type: bug
  GregTechCEu/GregTech-Modern#5513 · Filter by author MrLittleFox0220 opened on Oct 6, 2026
  1

• ME Robot Arm / ME covers

  type: feature
  GregTechCEu/GregTech-Modern#5512 · Filter by author rayebet opened on Oct 6, 2026

• [Bug] Attempting to remove the ore property from certain materials with KJS causes world to not load.

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5492 · Filter by author lorraine-colon-three opened on Oct 5, 2026
  2

• Optimization mods messing up texture layers

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5491 · Filter by author Senpai78sss opened on Oct 4, 2026
  1

• [1.21] Both fluid covers NEVER emit redstone when attached to fluid pipes

  1.21type: bug
  GregTechCEu/GregTech-Modern#5490 · Filter by author iluha168 opened on Oct 4, 2026

• EMI autofilling cutter to bolt recipe

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5489 · Filter by author Exponential182 opened on Oct 2, 2026
  2

• [1.21] ExceptionInInitializerError (Missing dimension_type registry) when opening multiblock structure preview

  1.21type: bug
  GregTechCEu/GregTech-Modern#5481 · Filter by author tmageko opened on Sep 29, 2026